The introductory blog post has a lot more information

AntiRush • yesterday at 6:57 PM • 1 reply • view on HN

and the model card

The broader announcement of 7 MAI models seems to be where the 5B active in the title comes from

dang • yesterday at 7:41 PM

Thanks! I've changed the top link to the blog post and put the other links in the toptext.

alt Hacker News